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Main Board Electric Diagram for MDV460/37: Power_Video Out_
1
DSPVCC33
CN5
POWER_K
1
CLK
2
CS
3
DAT
4
GND
5
DV33
6
IR
7
LED_5V
8
GND
9
CON9
C74
C25
C26
C40
C41
0.1uF
0.1uF
100pF
100pF
100pF
2
TO POWER BOARD
CN1
Imax=1000mA
1
+P5V
LL1
1
2
3
4
+P12V
5
6
-P12V
7
7
CON7 2.5mm
C29
C78
0.01uF
0.01uF
+12V: +12V(+-10%)
-12V: -12V(+-10%)
+5V: +5V(+-2.5%)
3
4
A
6-8
B
DSPVCC33
STBY_KEY:
L: STBY or wake up.
H: Working.
R81
R82
2.2K
10K
R106
220R
STBY_KEY
STBY_KEY
FPC_CLK
FPC_CLK
FPC_STB
FPC_STB
FPC_DOUT
FPC_DOUT
DSPVCC33
R105
33R
IRRCV
LED5V
C14
100pF
JP1
NM
Q30
FB34
Imax=200mA
M5V
8550D
M5V
FB27
C76
10nF
R89
R93
22K
2K
DSPVCC33
R95
4.7K
R94
FB AXIAL
LED/PCON
Q28
LED/PCON
BT3904
4.7K
R96
22k
LED/PCON:
L: STBY.
H:
C47
Working.
NM
-12V
R104
0R
SERVO33
DSPVCC33
+
EC38
C65
220uF/16V
0.1uF
DSPVCC18
+ EC39
C69
220uF/16V
0.1uF
B
C
CVBS_C
L3
1uH
RCA_CVBS_OUT
CVBS_C
C105
100pF
NM
Y_R_V
L4
1uH
V_OUT
Y_R_V
C106
100pF
NM
Y_OUT
CVBS_G_Y
L5
1uH
CVBS_G_Y
C107
100pF
NM
C_B_U
L6
1uH
U_OUT
C_B_U
C108
100pF
NM
500Z 0805
LED5V
RFA5V
RCA_CVBS_OUT
RFA5V
Y_OUT
500Z 0805
D5V
U_OUT
D5V
V_OUT
C79
C80
C81
100pF
100pF
100pF
LMAIN-OUT
RMAIN-OUT
COAX_SPDIF
C72
100pF
S/PDIF_OUT
S/PDIF_OUT
+12V
R99
NM
-12V
C
6-8
D
C105
C1
C106
C1
C107
C1
C108
C2
C14
A1
C25
A1
C26
A1
C29
A2
C40
A1
C41
A1
C47
A2
C60
C2
C61
C3
C64
D3
C65
B3
C69
B3
C72
C2
C73
C2
C74
A1
C76
B2
CN6
C78
A2
1
C79
C2
2
3
C80
C2
4
C81
C2
5
6
C82
C2
C82
VIDEO OUT
CN1
A2
100pF
CN5
A1
CN6
C2
CN7
C2
CN7
EC38
B3
1
EC39
B3
2
3
FB27
B2
4
FB34
B2
5
6
JP1
B2
C73
AUDIO OUT
L3
C1
100pF
L4
C1
L5
C1
D5V
L6
C1
C60
Q31
0.1uF
LL1
A2
BT3904
Q28
B2
Q30
B2
Q31
C2
R100
R100
C3
56R
C61
R101
C3
R102
COAX_SPDIF
R102
C3
62R
R104
B3
0.1uF
R101
R105
A1
C64
39R
22pF
R106
A1
R81
A1
R82
B1
R89
B2
R93
B2
R94
B2
R95
B2
R96
B2
R99
C3
D
E
1
2
3
4
E
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